The front brake discs consist of an inner carrier, which is mounted to the wheel, and an outer rotor. Both parts must be changed together as a pair.
Remove the front wheel (sect. 7 - 1, Removal of the front wheel).
Undo the retaining screws (5) of the disc to the wheel, remove the disc (7) and, on its left side, slide out the phonic wheel (6).

Removal of the front brake system
Overhauling the front brake componentsUseful information for safe riding
Warning
Read this section before riding your motorcycle.
Many accidents are the result of the inexperience of the
rider. Always make sure you have your licence with you; you
need a valid licence that entitles you to ride a motorcycle.
Do not lend your motorcycle to persons who are
inexperie ...
Removal of the timing belt covers
Loosen the screws (4) securing the central external cover (1) and remove it
from the central side.
Undo the fixing screws (4) of the external cover (25) and remove it from the
vertical thermal unit.
Undo the fixing screws (4) of the external cover (3) and remove it from the
horizonta ...
Inputs and outputs of engine control unit and connection to can network
The diagram illustrates the inputs and outputs for the engine control unit.
The signals from the brake buttons, the exhaust
by-pass valve command signal and the gear sensor signal are transmitted over the
can line.
1I emergency engine cutout switch
2I start button
4I side stand button
6 ...